EUVD-2026-70553
GHSA-6jpp-gxx7-g3pq
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Network-accessible, no auth required, integrity-only impact consistent with unauthenticated broken access control on a write endpoint.
Primary rating from Vendor (patchstack).
CVSS VectorVendor: patchstack
Lifecycle Timeline
2DescriptionCVE.org
Missing Authorization vulnerability in Supsystic Ultimate Maps by Supsystic allows Exploiting Incorrectly Configured Access Control Security Levels.
This issue affects Ultimate Maps by Supsystic: from n/a through 1.5.3.
AnalysisAI
Missing authorization checks in Ultimate Maps by Supsystic WordPress plugin (versions through 1.5.3) allow unauthenticated network attackers to perform restricted write-class operations by exploiting incorrectly configured access control security levels. Reported by Patchstack via audit, this is a CWE-862 broken access control weakness where plugin endpoints lack proper capability checks before executing state-changing actions. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No authentication is required - the CVSS vector (PR:N, UI:N, AV:N, AC:L) confirms unauthenticated remote exploitation against any WordPress site with the Ultimate Maps by Supsystic plugin installed and active in version 1.5.3 or earlier. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS score of 5.3 (Medium) accurately reflects a limited-impact broken access control issue: the attack vector is network-accessible without authentication (AV:N/AC:L/PR:N/UI:N), but the impact is confined to integrity only (I:L), with no confidentiality or availability impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Update the Ultimate Maps by Supsystic plugin to a version beyond 1.5.3 as soon as a patched release is published. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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